Home / 11,355,655.80-17,033,483.70-10,478,778.15

Finding the Fourth Proportional to 11,355,655.80, 17,033,483.70 and 10,478,778.15

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Solution

The fourth proportional to 11,355,655.80, 17,033,483.70 and 10,478,778.15 is: 15,718,167.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,355,655.80 : 17,033,483.70 = 10,478,778.15 : x
  2. Step 2: Convert to fraction form
    11,355,655.80/17,033,483.70 = 10,478,778.15/x
  3. Step 3: Cross multiply
    11,355,655.80x = 17,033,483.70 × 10,478,778.15
  4. Step 4: Simplify right side
    11,355,655.80x = 178,490,096,813,941.16
  5. Step 5: Solve for x
    x = 178,490,096,813,941.16/11,355,655.80
  6. Step 6: Final answer
    x = 15,718,167.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.